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Finding the Fourth Proportional to 1,201.13, 1,804.00 and 995.75

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Solution

The fourth proportional to 1,201.13, 1,804.00 and 995.75 is: 1,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201.13 : 1,804.00 = 995.75 : x
  2. Step 2: Convert to fraction form
    1,201.13/1,804.00 = 995.75/x
  3. Step 3: Cross multiply
    1,201.13x = 1,804.00 × 995.75
  4. Step 4: Simplify right side
    1,201.13x = 1,796,330.41
  5. Step 5: Solve for x
    x = 1,796,330.41/1,201.13
  6. Step 6: Final answer
    x = 1,495.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.